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#haematite

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Claudia Zahn<p><a href="https://mastodon.social/tags/Haematite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Haematite</span></a> included <a href="https://mastodon.social/tags/Quartz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Quartz</span></a><br>Goboboseb Mountains, Brandberg Area, Dâures Constituency, Erongo Region, <a href="https://mastodon.social/tags/Namibia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Namibia</span></a><br>2,9 x 2,9 x 1,8 cm<br>Photographed for Ensabella Crystals<br>By <a href="https://mastodon.social/tags/GeologicalWondersToo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GeologicalWondersToo</span></a> / Matthew Parshchikov <br><a href="https://mastodon.social/tags/Geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Geology</span></a> <a href="https://mastodon.social/tags/GeologyPage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GeologyPage</span></a> <a href="https://mastodon.social/tags/Nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nature</span></a> <a href="https://mastodon.social/tags/Minerals" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Minerals</span></a> <a href="https://mastodon.social/tags/Crystals" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Crystals</span></a> <a href="https://mastodon.social/tags/Gems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gems</span></a> <a href="https://mastodon.social/tags/Nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nature</span></a> <a href="https://mastodon.social/tags/NatureLovers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NatureLovers</span></a> <a href="https://mastodon.social/tags/NaturePhotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NaturePhotography</span></a> <a href="https://mastodon.social/tags/Photographer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Photographer</span></a> <a href="https://mastodon.social/tags/RockPorn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RockPorn</span></a></p>
Radical Anthropology<p>Before c.100,000 years ago, or the end of the <a href="https://c.im/tags/MiddlePleistocene" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MiddlePleistocene</span></a> say 130,000 years ago, the ONLY repeated material cultural evidence involving signaling behaviours in Homo is the <a href="https://c.im/tags/archaeological" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>archaeological</span></a> record of earth <a href="https://c.im/tags/pigment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pigment</span></a> use. </p><p>Going back c.500,000 years -- that is pre- Homo sapiens -- this overwhelmingly comprises blood-red iron oxides, known as ochre, including <a href="https://c.im/tags/haematite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>haematite</span></a> and the sparkly <a href="https://c.im/tags/specularite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>specularite</span></a>. Sites like <a href="https://c.im/tags/WonderwerkCave" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WonderwerkCave</span></a> and <a href="https://c.im/tags/CanteenKopje" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CanteenKopje</span></a> in the Northern Cape have the oldest pigments which Ian Watts has analysed here<br><a href="https://www.journals.uchicago.edu/doi/full/10.1086/686484" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">journals.uchicago.edu/doi/full</span><span class="invisible">/10.1086/686484</span></a></p><p>3/<br>Images: View from the back of Wonderwerk Cave, a huge space carved by an ancient river deep into the hillside. Pieces of sparkly specularite and blood-red haematite are some of the world's oldest pigments</p>